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    <meta charset="UTF-8">
    <title>河北</title>
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        margin-left: 100px;
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    <h1>省份</h1>
    <ul>
        <li><a href="./hebei.html">河北省</a></li>
        <li><a href="./henan.html" class="selected">河南省</a></li>
    </ul>
    <div class="s1">
        <h2>市区</h2>
        <ul>
            <li>石家庄</li>
            <li>唐山</li>
            <li>保定</li>
            <li>邯郸</li>
        </ul>
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